Chapter 4.1
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (14 张)
What is an ionic compound composed of?
A metal and a non-metal
What is a covalent compound composed of?
Two or more non-metals
Isoelectronic definition
Same number of electrons
True or false? The transition metals can form more than one ion
True
What are the two ions that iron can form?
Iron(II) and iron (III)
What determines the number of electrons lost or gained?
The electron configuration of the atom
What is an ionic bond?
An electrostatic attraction between oppositely charged ions
Volatility
How readily a substance evaporates
Melting and boiling points of ionic compounds are generally
High
Ionic solids have __ volatility
Low
Ionic substances __ conduct electricity when solid. They __ conduct electricity when melted
Cannot, can
True or false? Ionic substances are often soluble in water
True
True or false? Aqueous solutions of ionic substance conduct electricity
True
True or false? Ionic solids are usually soluble in non-polar solvents
False. Ionic solids are not soluble because more energy is needed to break the bonds than is repayed when formed